SHAREHOLDERS' EQUITY (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	3 Months Ended
	Jul. 31, 2016	Jun. 30, 2017	Jun. 30, 2016	Jul. 31, 2013
Dividend Payments [Abstract]
Total dividend payout		$ 3.2	$ 2.7
Share Repurchase Program [Member]
Share Repurchase Program [Abstract]
Authorized amount of stock repurchase	$ 97.3			$ 67.3
Increase to existing share repurchase program	$ 30.0
Share repurchases yet to be purchased under authorization		$ 54.0
Stock repurchased and retired to date (in shares)		1.6
Stock repurchased and retired to date		$ 43.3
Repurchase of common stock (in shares)		0.0	0.0